Description

4-Amino-5-(Ethylsulphonyl)-o-Anisic Acid, Anhydride With Ethyl Hydrogen Carbonate is a specialized organic intermediate with a unique molecular structure combining an amino group, an ethylsulfonyl moiety, and an anhydride linkage. This compound is valued for its role as a key building block in the synthesis of complex molecules, particularly in the pharmaceutical sector. It is primarily sought after by research and development teams and production chemists in the fine chemical and active pharmaceutical ingredient (API) manufacturing industries.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides or pesticides, leveraging its reactive anhydride group.
• Dye and Pigment Manufacturing: Serves as a building block for creating specialized colorants with specific light-fastness or solubility properties.
• Material Science Research: Investigated for incorporation into polymers or advanced organic materials requiring specific functional groups.
• Chemical Research & Development: Employed as a versatile reagent for constructing complex heterocyclic compounds in academic and industrial labs.

Basic Information

Product Name	4-Amino-5-(Ethylsulphonyl)-o-Anisic Acid, Anhydride With Ethyl Hydrogen Carbonate
CAS No.	71676-03-4
Molecular Formula	C12H15NO7S
Molecular Weight	317.32 g/mol
Synonyms	4-Amino-5-(ethylsulfonyl)-2-methoxybenzoic acid ethyl carbonate anhydride; 2-Methoxy-4-amino-5-ethylsulfonylbenzoic acid mixed anhydride with ethyl carbonate; Ethyl hydrogen carbonate anhydride with 4-amino-5-(ethylsulfonyl)-o-anisic acid; 4-Amino-5-ethylsulfonyl-o-anisic acid ethyl carbonate anhydride; 71676-03-4; Benzoic acid, 4-amino-5-(ethylsulfonyl)-2-methoxy-, anhydride with ethyl hydrogen carbonate
EINECS	Contact for details

Quality Control

Our production of 4-Amino-5-(Ethylsulphonyl)-o-Anisic Acid, Anhydride With Ethyl Hydrogen Carbonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.